要素替代弹性 d(K/L d(MP MPR) (K/L) (MP I MPk) BK =dn(》/aun()+ln(交》 2008-12-14 PDF文件使用"pdfFactory Pro”试用版本创建www.fineprint.cn 2008-12-14 24 ( / ) ( / ) ( / ) ( / ) L K L K MP MP d MP MP K L d K L s = = = = + = d K L d M P M P d K L d K L d K L d K L L K (ln ( )) (ln ( )) (ln ( )) (ln ( )) (ln ( )) (ln ( ) ln ( )) b a b a 1 要素替代弹性 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn